Finding the Fourth Proportional to 228,315.49, 315,163.69 and 204,400.60
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Solution
The fourth proportional to 228,315.49, 315,163.69 and 204,400.60 is: 282,151.89
Step by Step Solution
- Step 1: Write the proportion equation
228,315.49 : 315,163.69 = 204,400.60 : x - Step 2: Convert to fraction form
228,315.49/315,163.69 = 204,400.60/x - Step 3: Cross multiply
228,315.49x = 315,163.69 × 204,400.60 - Step 4: Simplify right side
228,315.49x = 64,419,647,334.21 - Step 5: Solve for x
x = 64,419,647,334.21/228,315.49 - Step 6: Final answer
x = 282,151.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.